2e-2=4(e+7)

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Solution for 2e-2=4(e+7) equation:


Simplifying
2e + -2 = 4(e + 7)

Reorder the terms:
-2 + 2e = 4(e + 7)

Reorder the terms:
-2 + 2e = 4(7 + e)
-2 + 2e = (7 * 4 + e * 4)
-2 + 2e = (28 + 4e)

Solving
-2 + 2e = 28 + 4e

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '-4e' to each side of the equation.
-2 + 2e + -4e = 28 + 4e + -4e

Combine like terms: 2e + -4e = -2e
-2 + -2e = 28 + 4e + -4e

Combine like terms: 4e + -4e = 0
-2 + -2e = 28 + 0
-2 + -2e = 28

Add '2' to each side of the equation.
-2 + 2 + -2e = 28 + 2

Combine like terms: -2 + 2 = 0
0 + -2e = 28 + 2
-2e = 28 + 2

Combine like terms: 28 + 2 = 30
-2e = 30

Divide each side by '-2'.
e = -15

Simplifying
e = -15

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